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Find cheap one-way flights from London to San Francisco starting at US$240.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from London to San Francisco?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from London to San Francisco

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Norse Atlantic Airways
From US$216
Vueling Airlines
From US$240
easyJet
From US$298
PLAY Airline
From US$369
Wizz Air Malta
From US$377
Ryanair UK
From US$389
Jet2.com
From US$391
Ryanair
From US$392
WestJet
From US$438
Air Transat
From US$452
ANA airlines

Find more flights and airlines

Find cheap flights from London to San Francisco by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from London to San Francisco.

  • Cheapest
    Norse Atlantic Airways
    LGW
    10:45
    30h 22m
    1 transfer
    SFO
    09:07
    London Gatwick Airport - San Francisco International Airport
    Fri, May 17Norse Atlantic Airways
    US$216
  • easyJet
    LTN
    07:00
    18h 40m
    1 transfer
    SFO
    17:40
    London Luton Airport - San Francisco International Airport
    Tue, Apr 16easyJet
    US$298
  • easyJet
    SEN
    11:25
    35h 10m
    2 transfer
    SFO
    14:35
    London Southend Airport - San Francisco International Airport
    Mon, May 6easyJet
    US$356
  • easyJet
    SEN
    11:25
    35h 10m
    2 transfer
    SFO
    14:35
    London Southend Airport - San Francisco International Airport
    Mon, May 6easyJet
    US$356
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from London (LON) to San Francisco (SFO) the cheapest?

    Airlines adjust prices for flights from London to San Francisco based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from London (LON) to San Francisco (SFO) cost?

    According to Trip.com's data, the lowest price is around $1,225.
  • How long does it take to fly from London (LON) to San Francisco (SFO) and what is the distance?

    It takes around 11 hours 1 minute to fly from London (LON) to San Francisco (SFO).
  • What is the transportation method from the main airport to downtown in San Francisco?

    • The distance from San Francisco International Airport to downtown is about 17km. It takes about 30 minutes by taxi.
  • What are the most popular airlines that fly from London (LON) to San Francisco (SFO)?

    Airlines with flights from London (LON) to San Francisco (SFO): Delta Air Lines, United Airlines, KLM, Brussels Airlines, Air France, British Airways, Austrian Airlines, Virgin Atlantic, Finnair, Iberia and Lufthansa.

How to find a cheap flight from London to San Francisco

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from London to San Francisco. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

London to San Francisco Flight Information

Cheapest nonstop flight price

$239

Cheapest round-trip ticket price

$482

Off-season for travel

April

Peak season for travel

July

Flight distance

8,628.48km

Average flight time

11 hours 1 minute

Popular airline

Air France